title: Nitrogenous substances in saliva. 2. Urea and rhodan.
mesh_terms: D006801:Humans; D009584:Nitrogen; D012463:Saliva; D013861:Thiocyanates; D014508:Urea
chemical_list: D013861:Thiocyanates; D014508:Urea; D009584:Nitrogen
keywords: SALIVA; THIOCYANATES; UREA